<template>
  <el-container>
    <el-main style="background-color: #cceeff;height: 100%;width: 100%">
      <el-container style="height: 100%">
        <el-header>
          <el-row>
            <el-col :span="6">
              <el-button type="primary" @click="add" size="large">新增</el-button>
              <el-button type="primary" size="large">导入</el-button>
              <el-button type="primary" size="large">导出</el-button>
            </el-col>
            <el-col :span="6">
              <el-input v-model="search" placeholder="请输入关键字" size="large">
                <template #append>
                  <el-button type="primary" @click="load" size="small">
                    搜索&nbsp;<el-icon>
                    <Search/>
                  </el-icon>
                  </el-button>
                </template>
              </el-input>
            </el-col>
          </el-row>
        </el-header>
        <el-main style="background-color: rgba(255,255,255,0.7);">
          <el-table :data="tableData" border stripe style="width: 100%" v-loading="loading">
            <el-table-column prop="id" label="ID" sortable/>
            <el-table-column prop="username" label="用户名"/>
            <el-table-column prop="nickName" label="昵称"/>
            <el-table-column prop="age" label="年龄"/>
            <el-table-column prop="sex" label="性别"/>
            <el-table-column prop="address" label="地址"/>
            <el-table-column label="角色">
              <template #default="scope">
                <span v-if="scope.row.role === 1">管理员</span>
                <span v-if="scope.row.role === 2">用户</span>
              </template>
            </el-table-column>
            <el-table-column fixed="right" label="操作" width="120">
              <template #default="scope">
                <!--          <el-button type="primary" size="mini" @click="buy(scope.row.id)">购买</el-button>-->
                <el-button link size="mini" @click="handleEdit(scope.row)">编辑</el-button>
                <el-popconfirm title="确定删除吗?" @confirm="handleDelete(scope.row.id)">
                  <template #reference>
                    <el-button link size="mini" type="danger">删除</el-button>
                  </template>
                </el-popconfirm>
              </template>
            </el-table-column>
          </el-table>
        </el-main>
        <el-footer style="background-color: rgba(255,255,255,0.7);height: 45px">
          <el-pagination
              v-model:current-page="currentPage"
              v-model:page-size="pageSize"
              :page-sizes="[5, 10, 20]"
              :page-size="pageSize"
              layout="total, sizes, prev, pager, next, jumper"
              :total="total"
              @size-change="handleSizeChange"
              @current-change="handleCurrentChange"
          />
        </el-footer>
      </el-container>
    </el-main>
    <el-dialog
        v-model="dialogVisible"
        title="Tips"
        width="30%">
      <el-form :model="form" label-width="120px">
        <el-form-item label="用户名">
          <el-input v-model="form.username" style="width: 80%"></el-input>
        </el-form-item>
        <el-form-item label="昵称">
          <el-input v-model="form.nickName" style="width: 80%"></el-input>
        </el-form-item>
        <el-form-item label="年龄">
          <el-input v-model="form.age" style="width: 80%"></el-input>
        </el-form-item>
        <el-form-item label="性别">
          <el-radio v-model="form.sex" label="男">男</el-radio>
          <el-radio v-model="form.sex" label="女">女</el-radio>
          <el-radio v-model="form.sex" label="未知">未知</el-radio>
        </el-form-item>
        <el-form-item label="地址">
          <el-input type="textarea" v-model="form.address"></el-input>
        </el-form-item>
        <el-form-item lable="角色">
          <el-select v-model="form.role" size="large">
            <el-option v-for="item in roleList" :value="item.code">{{ item.text }}</el-option>
          </el-select>
        </el-form-item>
      </el-form>
      <template #footer>
          <span class="dialog-footer">
            <el-button @click="dialogVisible = false">取消</el-button>
            <el-button type="primary" @click="save">确定</el-button>
          </span>
      </template>
    </el-dialog>
  </el-container>
</template>

<script>

import request from "@/utils/request";
import {Search} from "@element-plus/icons-vue";

export default {
  name: 'Home',
  components: {Search},
  data() {
    return {
      form: {},
      dialogVisible: false,
      search: '',
      currentPage: 1,
      pageSize: 10,
      total: 10,
      tableData: [],
      roleList: [{code: '1', text: '管理员'}, {code: '2', text: '班主任'}, {code: '3', text: '教师'}, {
        code: '4',
        text: '学生'
      }],
      loading: true
    }
  },
  created() {
    this.load()
  },
  methods: {
    // buy(bookId) {
    //   request.get("/order/buy/" + bookId).then(res => {
    //     // 请求成功跳转沙箱支付的页面
    //     window.open(res.data)
    //   })
    // },
    load() {
      this.loading = true
      request.get("/user", {
        params: {
          pageNum: this.currentPage,
          pageSize: this.pageSize,
          search: this.search
        }
      }).then(res => {
        this.tableData = res.data.records
        this.total = res.data.total
        this.loading = false
      })
    },
    add() {
      this.dialogVisible = true
      this.form = {}
    },
    save() {
      if (this.form.id) { //更新
        request.put("/user", this.form).then(res => {
          if (res.code === '0') {
            this.$message({
              type: "success",
              message: "更新成功"
            })
          } else {
            this.$message({
              type: "error",
              message: res.message
            })
          }
          this.load() //刷新表格数据
          this.dialogVisible = false
        })
      } else { //新增
        request.post("/user", this.form).then(res => {
          console.log(res)
          if (res.code === '0') {
            this.$message({
              type: "success",
              message: "新增成功"
            })
          } else {
            this.$message({
              type: "error",
              message: res.message
            })
          }
          this.load() //刷新表格数据
          this.dialogVisible = false
        })
      }
    },
    handleEdit(row) {
      this.form = JSON.parse(JSON.stringify(row))
      this.dialogVisible = true
    },
    handleDelete(id) {
      request.delete("/user/" + id).then(res => {
        if (res.code === '0') {
          this.$message({
            type: "success",
            message: "删除成功"
          })
        } else {
          this.$message({
            type: "error",
            message: res.message
          })
        }
        this.load() //重新刷新表格
      })
    },
    handleSizeChange(pageSize) { //改变当前每页的个数触发
      this.pageSize = pageSize
      this.load()
    },
    handleCurrentChange(pageNum) { //改变当前页码触发
      this.currentPage = pageNum
      this.load()
    },
  }
}
</script>
